Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.

Tips:
1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description.

an optimized SERP snippet will have a higher click through rate.

Tips:
1. make sure the title is clear, simple, straight to the point.
2. make sure the description is relevant and properly summarized the page content.

keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.


Tips:
1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized.

HTML headings and emphasis tags are the most basic forms to indicate important content.

Tips:
1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page

Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.

Tips:
1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server.

the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.

Tips:
1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density.

search engines cannot `see` images, proper Alt content will help them to better understand and index images.

Tips:
1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image.

Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).

Tips:
1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you.

domain name choice and domain age are crucial for SEO.

Tips:
1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business.